diff --git a/lib/util/logger.ts b/lib/util/logger.ts
index 86dae6394..207e68a66 100644
--- a/lib/util/logger.ts
+++ b/lib/util/logger.ts
@@ -191,7 +191,7 @@ class Logger {
 
     private log(level: settings.LogLevel, messageOrLambda: string | (() => string), namespace: string): void {
         if (this.isEnabled(level, namespace)) {
-            const message:string = (typeof messageOrLambda === "function") ? messageOrLambda() : messageOrLambda ;
+            const message: string = typeof messageOrLambda === 'function' ? messageOrLambda() : messageOrLambda;
             this.logger.log(level, `${namespace}: ${message}`);
         }
     }